*SUPPORT*
IN: dax gazzer dax gazzer kiki OUT: BLUE BLUE PURPLE
IN: tufa gazzer tufa OUT: GREEN GREEN
IN: tufa OUT: GREEN
IN: lug dax blicket lug gazzer dax gazzer kiki OUT: RED BLUE PURPLE RED BLUE
IN: kiki dax OUT: PURPLE BLUE
IN: lug lug blicket kiki OUT: PURPLE RED RED
IN: tufa kiki wif lug OUT: GREEN PURPLE RED
IN: kiki gazzer tufa lug blicket lug OUT: RED PURPLE GREEN RED
IN: kiki wif lug OUT: PURPLE RED
IN: kiki gazzer lug OUT: PURPLE RED
IN: kiki tufa gazzer kiki OUT: PURPLE GREEN PURPLE
IN: dax OUT: BLUE
IN: lug tufa wif tufa gazzer lug tufa lug OUT: RED GREEN GREEN RED GREEN RED
IN: lug lug gazzer dax blicket tufa OUT: GREEN RED RED BLUE

*QUERY*
IN: kiki wif kiki gazzer dax OUT: PURPLE PURPLE BLUE
IN: kiki gazzer lug wif tufa OUT: PURPLE RED GREEN
IN: tufa kiki OUT: GREEN PURPLE
IN: kiki gazzer tufa blicket kiki OUT: PURPLE PURPLE GREEN
IN: kiki OUT: PURPLE
IN: lug gazzer dax OUT: RED BLUE
IN: lug lug kiki OUT: RED RED PURPLE
IN: lug gazzer kiki OUT: RED PURPLE
IN: lug OUT: RED
IN: tufa lug OUT: GREEN RED

*GRAMMAR*
lug -> RED 
 dax -> BLUE 
 tufa -> GREEN 
 kiki -> PURPLE 
 x1 blicket x2 -> [x2] [x1] 
 u1 gazzer x1 -> [u1] [x1] 
 x1 wif x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 